When selling your house, the price you choose isn't just a number, it's a strategy. 

A new Zillow study shows how much more income a household would need to be able to afford a typical home in any given metro area.

There's a misconception going around that you have to put 20% of the purchase price down when you buy a home. But the truth is, many people don't put down that much unless they're trying to make their offer more competitive.